[HN Gopher] Napkin-math: Techniques for estimating system perfor...
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Napkin-math: Techniques for estimating system performance from
first-principles
Author : alexzeitler
Score : 40 points
Date : 2024-09-15 09:06 UTC (4 days ago)
(HTM) web link (github.com)
(TXT) w3m dump (github.com)
| bsmitty5000 wrote:
| I started watching the video linked at the top and the first
| anecdote is about Elon Musk using first principles to determine
| he could be rockets cheaper than current companies. He compared
| $130m to the price of raw materials of a rocket at $2m. But isn't
| that comparing apples to oranges? And the exact thing that would
| get you in trouble when doing back-of-the-napkin estimates. That
| is, $130m is how much rocket companies at the time were
| _charging_ NASA for rockets, not how much it actual cost those
| companies to build.
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(page generated 2024-09-19 23:01 UTC)